if !s.containsKeyName(req.Name) {
		return DEK{}, ErrKeyNotFound
	}
	return DEK{
		KeyID:      req.Name,
		Version:    0,
		Plaintext:  []byte("stubplaincharswhichare32bytelong"),
		Ciphertext: []byte("stubplaincharswhichare32bytelong"),
	}, nil
}

// Decrypt is a non-functional stub.
func (s StubKMS) Decrypt(_ context.Context, req *DecryptRequest) ([]byte, error) {
	return req.Ciphertext, nil
}